/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.core.el.juel.tree.impl.ast;

import jakarta.el.ELContext;
import jakarta.el.ELException;
import org.activiti.core.el.juel.tree.Bindings;

public class AstChoice extends AstRightValue {

    private final AstNode question, yes, no;

    public AstChoice(AstNode question, AstNode yes, AstNode no) {
        this.question = question;
        this.yes = yes;
        this.no = no;
    }

    @Override
    public Object eval(Bindings bindings, ELContext context) throws ELException {
        Boolean value = bindings.convert(question.eval(bindings, context), Boolean.class);
        return value.booleanValue() ? yes.eval(bindings, context) : no.eval(bindings, context);
    }

    @Override
    public String toString() {
        return "?";
    }

    @Override
    public void appendStructure(StringBuilder b, Bindings bindings) {
        question.appendStructure(b, bindings);
        b.append(" ? ");
        yes.appendStructure(b, bindings);
        b.append(" : ");
        no.appendStructure(b, bindings);
    }

    public int getCardinality() {
        return 3;
    }

    public AstNode getChild(int i) {
        return i == 0 ? question : i == 1 ? yes : i == 2 ? no : null;
    }
}
